Thread spool storage shelf



FIG. 1 is a right side perspective view of a thread spool storage shelf showing our new design;

FIG. 2 is a left side perspective view of FIG. 1;

FIG. 3 is a right side perspective view, with one of the horizontal shelves shown in an alternate state;

FIG. 4 is a left side perspective view of FIG. 3;

FIG. 5 is another right side perspective view, shown with environment;

FIG. 6 is a left side perspective view of FIG. 5;

FIG. 7 is another right side perspective view, shown with environment; and,

FIG. 8 is a left side perspective view of FIG. 7.

The broken lines depict environment that forms no part of the claimed design. 

CLAIM The ornamental design for a thread spool storage shelf, as shown and described. 